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发明名称
Ventilation system using replacement of duct by ceiling space
摘要
申请公布号
KR200419410(Y1)
申请公布日期
2006.06.20
申请号
KR20060009740U
申请日期
2006.04.12
申请人
发明人
分类号
F24F7/10;F24F7/00;F24F13/10
主分类号
F24F7/10
代理机构
代理人
主权项
地址
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